package com.jishuo.base.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import java.util.concurrent.Executor;

/**
 * 线程池配置
 *
 */
@Configuration
@EnableAsync
public class AsyncConfig {
    @Bean("publicThreadPool")  //线程池实例名，多个线程池配置需要声明，一个线程池可有可无
    public Executor taskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        //配置核心线程数
        executor.setCorePoolSize(15);
        //配置最大线程数
        executor.setMaxPoolSize(30);
        //配置队列大小
        executor.setQueueCapacity(10000);
        //线程的名称前缀
        executor.setThreadNamePrefix("publicThreadPool-");
        //线程活跃时间（秒）
        //executor.setKeepAliveSeconds(60);
        //等待所有任务结束后再关闭线程池
        executor.setWaitForTasksToCompleteOnShutdown(true);
        //设置拒绝策略
        //executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        //执行初始化
        executor.initialize();
        return executor;
    }
}
